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Recent developments in fish vaccinology.

R Gudding1, A Lillehaug, O Evensen

  • 1National Veterinary Institute, Oslo, Norway.

Veterinary Immunology and Immunopathology
|December 30, 1999
PubMed
Summary

Vaccination effectively prevents infectious diseases in farmed fish, reducing mortality and antibiotic use. Future research should address challenges like vaccine side-effects for sustainable aquaculture.

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Area of Science:

  • Aquaculture
  • Fish immunology
  • Disease prevention

Background:

  • Vaccination is a key strategy for preventing infectious diseases in farmed fish, particularly salmonids.
  • Commercial vaccines are primarily inactivated, administered via injection or immersion.
  • Bacterial infections (Vibrio, Aeromonas, Yersinia) and viral diseases (infectious pancreatic necrosis) are currently managed through vaccination.

Purpose of the Study:

  • To review recent advancements in fish immunoprophylaxis.
  • To highlight candidate diseases for future vaccine development.
  • To identify challenges and research needs in fish vaccination.

Main Methods:

  • Review of existing literature on fish vaccination strategies.
  • Analysis of vaccine efficacy against bacterial and viral pathogens.
  • Discussion of emerging diseases and potential immunoprophylactic targets.

Main Results:

  • Vaccination has successfully controlled major bacterial infections like furunculosis.
  • Injectable vaccines with adjuvants have shown particular efficacy.
  • Vaccines against viral infections are also established in commercial fish farming.
  • Several other bacterial and viral diseases are technically feasible for vaccination.

Conclusions:

  • Vaccination significantly reduces mortality in farmed fish.
  • It contributes to sustainable aquaculture by minimizing antibiotic use.
  • Addressing side-effects of injectable vaccines is crucial for future research.
  • Continued research is needed for immunoprophylaxis against emerging fish diseases.

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